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Nanomaterials 2018, 8(9), 697; https://doi.org/10.3390/nano8090697

Dy(III) Doped BiOCl Powder with Superior Highly Visible-Light-Driven Photocatalytic Activity for Rhodamine B Photodegradation

1,†
,
2,3,†
,
3,4,* and 3,*
1
College of Materials and Chemical Englineering, Chongqing University of Arts and Sciences, Yongchuan 402160, China
2
Chongqing Key Laboratory of Extraordinary Bond Engineering and Advanced Materials Technology (EBEAM), Yangtze Normal University, Chongqing 408100, China
3
State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China
4
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 15 August 2018 / Revised: 2 September 2018 / Accepted: 4 September 2018 / Published: 6 September 2018
(This article belongs to the Special Issue Application and Behavior of Nanomaterials in Water Treatment)
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Abstract

Dy-doped BiOCl powder photocatalyst was synthesized A one–step coprecipitation method. The incorporation of Dy3+ replaced partial Bi3+ in BiOCl crystal lattice system. For Rhodamine B (RhB) under visible light irradiation, 2% Dy doped BiOCl possessed highly efficient photocatalytic activity and photodegradation efficiency. The photodegradation ratio of RhB could reach 97.3% after only 30 min of photocatalytic reaction; this was more than relative investigations have reported in the last two years. The main reason was that the 4f electron shell of Dy in the BiOCl crystal lattice system can generate a special electronic shell structure that facilitated the transfer of electron from valance band to conduction band and separation of the photoinduced charge carrier. Apart from material preparation, this research is expected to provide important references for RhB photodegradation in practical applications. View Full-Text
Keywords: Dy3+; BiOCl; photocatalyst; RhB photodegradation; doping modification Dy3+; BiOCl; photocatalyst; RhB photodegradation; doping modification
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Yang, J.; Xie, T.; Liu, C.; Xu, L. Dy(III) Doped BiOCl Powder with Superior Highly Visible-Light-Driven Photocatalytic Activity for Rhodamine B Photodegradation. Nanomaterials 2018, 8, 697.

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